Bump golangci-lint actions/setup-go from v2 to v3 (#6108)
Bump golangci-lint actions/setup-go from v2 to v3 (#6108)

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 2 to 3.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](https://github.com/actions/setup-go/compare/v2...v3)

We don't use any special configuration for setup-go, so this is fully backwards
compatible for us.
letsencrypt/boulder,letsencrypt/boulder,letsencrypt/boulder